2d shapes

Find out about regular 2D shapes and irregular polygons.

Find out about scalene, equilateral, isosceles and right-angled triangles.

Discover the features of a circle and how to measure the radius, circumference and diameter.

Find out about different regular and irregular polygons.

Discover how to work out the area of a 2D shape, by adding the length of its sides together.

Discover how to work out the area of a triangle, by working out the area of a rectangle and then dividing it by two. Find out more in this KS2 Bitesize guide.

Find out how to measure the area of rectilinear shapes by breaking them down into squares and rectangles.

Find out how to use a formula to work out the area of a flat shape.

Find out how tessellation is when shapes fit together in a pattern with no gaps or overlaps.

From the shape of a flower to the numbers on a clock, everywhere you look you will be able to find some sort of pattern.